Protected Rider. While on a mout (bulette) have AC 19. Za'atriks recives no penalties from adjecent enemies to his ranged attacks while on the mount.

Wings of Despair. Upon mount kill, instantly grows dragon like wings and flies 10ft above ground.

Throwing Spear. Ranged Attack Roll: +8, reach 90 ft. Hit: 7 (1d8 + 3) Piercing damage. After hit or miss spear fall into the ground and becomes an object with AC 5 and HP 5.

Detonation. Each spear explode in cube with side of 15 ft with center at a spear. Dexterity Saving Throw: DC 16, each creature in area. Creatures that are prone have disadvantage. Failure: 9 (2d8) Force damage. Success: Half damage.

Spear Blast. Ranged Attack Roll: 2 targets. +8, reach 120 ft. Hit: 5 (1d10) Force damage. Hit target gets pulls towards Za'atriks 10ft and falls prone. (can be used only with wings)

Desend. If Za'atriks fly down at least 10 ft and land on ground, he explosion in a cube with side of 15 ft and center on himself. Constitution Saving Throw: DC 16, each creature in area except Za'atriks. Creatures that are prone have disadvantage. Failure: 22 (5d8) Force damage. Success: Half damage. (can be used only with wings)

The Za'atriks can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The Za'atriks regains spent legendary actions at the start of its turn.

Za'atriks share legendary actions with its mount so kobold and mount cannot perform legendary action at the same time and they can do up to 3 legendary action total.

Throwing Spear. Za'atriks uses action Throwing Spear.

Spear Blast. Za'atriks uses action Spear Blast. (can be used only with wings)

Swift flight. Za'atriks move his flight speed without trigerring oportunity attacks. (can be used only with wings)